Pump oil can



MAYER. PUMP OIL CAN. APPLICATION FILED MAY28.1920.

Patented Aug. 22, 1922.

PUMP on. CAN.

Application filed May 28,

Toallwhomii'mag concern: Be it known that I, MILTON MAYER, a c1t1- zenof the United States, residing at Burlington, in the county of DesMoines and cylinder on one strokeof the piston by direct .vide'an oilcan in which the 'de livery'of oil pumpaction and then forced on thereturn stroke of the piston through the discharge pipe. 1 Another objectof the invention is to prois under positive manual control so that anydesired quantity of oil mayibe discharged from the can without liabilityof waste. I

Other'objects 'of the invention are to arrange thevvalves-in ahorizontalposition so that, they will seatproperly and locate themadjacent the bottom of the oil reservoir so that they will always beprimed by submersion in the oil; and'also to provide an oiler of simplebut strong and durable construc'tion, efiicient in operation, positivein action and inexpensive to manufacture.

-With these, and other ends in view which will more fully appear in'thedetail descrip tion'hereafter I have illustrated the invention in aselected embodiment in the accompanying drawings, in which- Fig. 1' is asectional view of an oil can embodying my lIlVGiltlOIlj. I

-( Fig. 2 is a perspective view of one of the valves; and v i I F g-LB1s a detall sectional view showlng a slight modification in'theconstruction.

' Referring-to thedrawings, 4 is the body ofthe oiler which may bepunched out at 5 I ,to form a filling opening and its wall threadedto-receive cap 6. 'The'body may also be punched out at 7 and threadedtoreceive the cap8 which secures'the spout 9 in place .onthe body. pumpcylinder 10 and a :dischargecylinder 11 are engaged one withthe otheradj acent their inner'ends and are disposed an'gularly' within the body.The

pump cylinder 10 projects-through an open- MILTON MAYER, or BURLINGTON,IOWA.

Specification of Letters Patent.

TENT

1920. Serial ndfla's'asze.

ing in the body adjacent the filling opening Patented Aug. .22, 1922. v

5 and is closed'by a screwcap 12, This l cylinder extends downclosetothe bottom of the body and a machined valve seat13 havlng an opening 14therein is soldered or otherwise suitably secured in the lower end ofthe cylinder. A valve 15' ground to snugly fitthe'seat 13" is normallyheld'seated by a spring 16 embracing the valve ,and' fas tened totheseat. A piston comprising cups '17, 17 secured by washers 18, 18 on thepiston 19 is arranged to operate in the pump j" cylinder anda spring '20is" arranged between the piston and the lower end of the dischargecylinder 11- which projects into the pump" cylinder above the valve15.?fA seat 21 similarto'the seat 13" is securedin the lower end of thedischarge cylinder 11 and is provided with an opening 22' A ground valve23 isjheld against theseat 21 by a spring 24, the construction'of theitwo valves being preferably cthesame; The

springs 16 and 24 may" be secured to'theirrespective seats by solder; bywelding or'by' .anyother suitable means: Afh'ollow core 25 isarrangedinthe dischargecylinder 11. A suitable handle2 6 is securedtothe body.

' In the construction of Fig; 3jtli'at part 27 of the discharge cylinder11" which enters the pump cylinder 10" is bent downwardly and the valveseat 21 is-secured to this down-turned part and to the pump cylinder.

In operation the 'pump'cylinder is filled on the suction stroke of thepiston induced by the spring 20: during which the valve 28 is closed andvalve 15 is opened- To screen the oil in filling the oiler I provide aperforated disk or screen 28 of foraminous metal which is secured inplace at' the bottom of the-filling openingo in a pcripheral notch orbead 29 formed in the wall of said opening. When the piston is depressedby pressure applied to the'piston rod valve 15 remains closed and valve23 is opened to permit discharge through the pum cylinder and the spoutofthe oil whic -has been drawn' 'up ll'ltO'ftl'le pump cylinder. -Thequantity of 'oil discharged can be easily controlled'fbythe operation ofthe piston and in this way waste of'oil'is avoided.

I prefer to make peripheral flanges 15"and 23 thereon ground to fit themachined seats but the each of the valves'io :1- and 23 in the form of ahollow conewith construction of these valves may be I changed, ifdesired, and the seats 13 and 21 may be provided and secured in thecylinders in other ways within the scope of my invention. The valves fitthe seat snugly and both are substantially parallel with the base of theoiler so that in the normal travel ofthe automobile or truck in whichthe oiler is stored flatly on its base, and the vibration incident tosuch travel, the valves will not slide on their seats or becomedislocated therefrom andtherefore undue wear and leakage are avoided.Eachvalveinakes a surface contact with its seat, and nota line'contact,and thereby provides an effectual seal which is especially desirable. inan automobile oiler which is constantly subjected to vibration duringthe travel of the automobile Both of the valves are located closelyadjacent to the bottom of the oiler so that they will be submerged theoil. and primed for a greater length of time thanis usual in pumpoilers. The two valves are located in such close relationship that ayalve chamber is almost co1npletely eliminated whereby a high degree ofefliciency is obtained since very little it any effort is wasted inexhausting the oil content of a large valve chamber which mightbelocated between the intake valve and the discharge valve. The hollowcore orplug 25 in the discharge cylinder reinforces and strengthens thecylinder and the portion of the body in which the cylinder,

is supported and the connection with the spout; and it also to amaterial extent prevents access through. the cylinder to the valves andin this way serves as a protection against tampering and injuring thevalves. My improved oiler is substantial in construction, eflicient inoperation, and can be manufactured at comparatively low cost. Thehorizontal arrangement of the valves and their location closely adjacentto the bottom of the oiler is especially important because not only arethe valves kept submerged and primed until the greater portion of theoil has been discharged but the location of the intake valve 15' is socloseto the bottom of the body 4 that practically every bit of oil inthe oiler may be discharged. The particular arrangement of the pump andcylinder and the discharge cylinder with their lower endsinterengagedand with their upper ends engaged with and seated in thebodymakes a particularly strong and substantial structure and one whichis highly eflicient in pe t on-c a v I reserve the right to make allsuch changes n fhBflOllll; construction and arrangement of; parts of myinvention as claims.

Iclaim: 1

1. An oil can comprising a body, a pump cated fairly" fall within thescope of the followingcylinder supported in an angular position in thebody and having at its lower end a flat valve seat parallel with thebottom of the body and located adjacent thereto, an intake valve on saidseat, a spring pressed piston operating in said pump cylinder, adischarge cylinder supportedin the body at substantially a right angleto the pump cylinder and having its lower end pro ected into the pumpcylinder and provided with a fiat valve seat adjacent to theintake valveand parallel with the bottom of the body, a discharge, valve on saidlatterseat, and a spout communicating with said discharge cylinder.

2. An oil can comprising abody, a pump cylinder supported in an angularposition in seat parallel with the bottom of the body and located adjacent'thereto, an intake valve on said seat, a discharge cylindersuppdited in an angular position in the body and having its lower endprojected into the punip cylinder and provided with a valveseat adjacentto the intake valve and parallel with the bottom of the body, adischarge valve on said latter seat, a spout communicating with the bodyand having at its lower end a valve said discharge cylinder, a pistonoperating in said pump cylinder, and a spring for said piston andsupported iii saidlpunip cylinder on the projecting end of the dischargecylinder. i 1 i 8. An oil can comprising a body having a fillingopening, a pump cylinder and a discharge cylinder disposed atsubstantially a right angle to each other and having'their upper endssupported inzthe wall of the body on oppbsite sidesot said fillingopening and the lower end oi the discharge cylinder pro jected into thepump cylinder adjacent the lower end of the latter, the pump cylinderhaving an opening in its lower end and a valre seat therefor and thedischarge cylinder having an opening'in that part of its end whi hprojects into the pump cylinder and a valve seat therefor, valves forsaid seat 's,*'a spout communicating with saiddischarge cylinder, and aspring pressed piston operating in said pum'p' cylinder. v

4. An oil can comprising a body; a pump cylinder and a dischargecylinder's'upp'or'ted in the wall of the body substantially a rightangle to each other with the lower end or": the"discharge cylinderprojectedinto the pump cylinder adjacent its 'lowe'r'end, the pumpy1inder having an opening in its lower end and a valve seat therefor 10-intake valve and parallel with thebottom of the bod a valve for saidlatter" seat,- the communicating ends of said cylinders with adjacent toand parallel with" the bottom of the body,- an' intake valve for thevalve seats and valves being free from contact with the body end.positioned substantially central of the bottom of the body, a spoutcommunicating with the discharge cylinder, and a spring pressedpiston'operating in the pump cylinder.

5. An oil can comprising a body, having a filling opening, a pumpcylinder and a discharge cylinder having their upper ends supported in awall of the body on opposite sides of said filling opening, the lowerend of the pump cylinder being located adjacent to the bottom of thebody and having an opening and a valve seat therefor, the lower end ofthe discharge cylinder being projected into the pump cylinder and havingan opening and a valve seat therefor, said valve seats being parallelwith the bottom of tie body and located in adjacent relation close tosaid bottom, spring pressed valves on-said valve seats, a spoutconnected to said discharge cylinder, a piston operating in said pumpcylinder, and a spring for said 1 piston supported in the pump cylinderupon the end of the discharge cylinder projecting thereinto.

6. An oil can comprising a body having a v bottom, a cylinder supportedin the body and having an opening in its lower end and a flat valve seatfor said opening located ad j acent to and substantially parallel withsaid bottom, a valvev comprising a cone shaped central portion With a.peripheral flange thereon to make flat surface contact with said seat,and a spring fastened to said

